Manganese
Municipal Authority of Westmoreland County - Yough Plant
Manganese is a naturally occurring element that is common in food and drinking water. Excessive manganese exposures may impair children's attention, memory and intellectual capacity. Click here to read more about manganese.
8
Samples
0
Samples exceeding legal limit (MCL)
0
Samples exceeding
health guidelines
Testing results - average by year
| Year | Average result | Samples taken | Detections | Range of results |
|---|---|---|---|---|
| 2018 | 14.4 ppb | 6 | 6 | 0.459 ppb - 67.6 ppb |
| 2019 | 32.8 ppb | 2 | 2 | 9.84 ppb - 55.8 ppb |
| 2020 | N/A | 0 | 0 | N/A |
| 2021 | N/A | 0 | 0 | N/A |
| 2022 | N/A | 0 | 0 | N/A |
| 2023 | N/A | 0 | 0 | N/A |
ppb = parts per billion
State, National, and Health Guidelines for Drinking Water
EWG Health Guideline: 100 ppb
The EWG Health Guideline of 100 ppb for manganese was defined by the state of Minnesota as a health risk limit, the concentration of a contaminant that can be consumed with little or no risk to health. This health guideline protects against harm to the brain and nervous system.
ppb = parts per billion
All test results
| Date | Lab ID | Result |
|---|---|---|
| 2018-04-17 | U8D0048-01 | 8.19 ppb |
| 2018-04-17 | U8D0048-02 | 67.6 ppb |
| 2018-07-17 | 8074267-01A | 1.15 ppb |
| 2018-07-17 | 8074267-02A | 8.25 ppb |
| 2018-10-17 | 8100378-01A | 0.459 ppb |
| 2018-10-17 | 8100378-02A | 0.941 ppb |
| 2019-01-14 | 4176130 | 55.8 ppb |
| 2019-01-15 | 4176494 | 9.84 ppb |